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4 in stock
Super-precision angular contact ball bearing pair, 90 x 160 x 30 mm, 15° contact angle, ABEC 5 (P5), back-to-back matched set, open. Cr 155 kN.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7218CTDBC7P5 |
| Model | 7218C T DBC7 P5 218 DL DUL 7218 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm (3.5433 in) |
| OD | 160 mm (6.2992 in) |
| Width | 30 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 7200 |
| Condition | New |
| Preload | Light Preload |
| Base Number | 7218C |
| Industry Terms | Super precision spindle bearing, machine tool angular contact bearing, back-to-back matched pair, DB set, ABEC 5 ball bearing |
| Total Width | 60 mm (2.3622 in) |
| Bore Shaft Size | 90 mm (3.5433 in) |
| Mpn Variants | 7218CTDBC7P5, 7218-CT-DB-C7-P5, 7218C T DBC7 P5, 7218CT DBC7 P5, 7218C, 7218CTDB, DBC7 |
| Arrangement Configuration | DB back-to-back matched pair, preload class C7 |
| Precision Class | P5 (ABEC 5) |
| Cage Type | Window |
| Dynamic Load Rating | 155 kN per bearing |
| Static Load Rating | 105 kN per bearing |
| Precision Rating | ABEC 5 / P5 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 2.20 kg (4.85 lb) per bearing |
| Cage Material | Phenolic |
| Limiting Speed | 9,000 rpm (grease) / 11,000 rpm (oil-air) |
| Number Of Rows | 1 (single row per bearing; 2 rows in the DB pair) |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A (preloaded matched set) |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Back-to-back (DB), matched pair |
| Design Units | Metric |
| Bearing Material | High carbon chrome steel |
| Part Number | 7218CTDBC7P5 |
| Cross Reference 1 | SKF 7218 CD/P5 (back-to-back matched pair) |
|---|---|
| Cross Reference 2 | FAG B7218-C-P5-UL (related size, universally matchable single) |
| Cross Reference 3 | 7218A (related size, 30° contact angle) |
NSK 7218CTDBC7P5 super-precision angular contact ball bearing, 90 mm bore × 160 mm outside diameter × 30 mm width. Series: 7200. Contact Angle: 15°. Precision Class: P5, ABEC 5. Supplied as a back-to-back matched pair, 2 pieces, open on both faces.
Base Number: 7218C. C: 15° contact angle. DB: back-to-back matched arrangement, 2 bearings. C7: preload class. P5: ISO Class 5, ABEC 5. The number is also written 7218-CT-DB-C7-P5, 7218C T DBC7 P5 and 7218CT DBC7 P5.
A 15° contact angle favours speed and radial stiffness over thrust capacity. A back-to-back pair sets the load lines apart, which carries moment loads and holds a shaft axially in both directions. Basic Dynamic Load Rating: 155 kN per bearing. Basic Static Load Rating: 105 kN per bearing. Limiting Speed: 9,000 rpm on grease, 11,000 rpm on oil or oil-air. Mass: 2.20 kg per bearing.
Two bearings, ground and matched as a back-to-back set. Total width of the pair: 60 mm. Preloaded matched sets are supplied without a running clearance. Bearing Material: high carbon chrome steel.
The pair is fitted as a unit, marked faces together, with the outer rings clamped in the housing and the inner rings clamped on the shaft to hold the set preload.
SKF 7218 CD/P5 in a back-to-back matched pair covers the same envelope and angle. FAG B7218-C-P5-UL is a related size on the same envelope, supplied as a universally matchable single. A 7218A on the same envelope carries a 30° contact angle and is a related size.
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